#750309
Closest named color: Blood (#770001). oklch(35.6% 0.142 27), rgb(117, 3, 9).
Aa
White text reads best on this color (11.84:1).
About this color
#750309 is a dark, vivid red. In OKLCH its lightness is 36%, its chroma 0.142 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Blood (#770001), ΔE 0.007 away. White text reads best on it, at 11.84:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Blood (#770001) |
| Black text | 1.77:1 |
| White text | 11.84:1 |
Values
| HEX | #750309 |
| RGB | rgb(117, 3, 9) |
| HSL | hsl(357, 95%, 24%) |
| OKLCH | oklch(35.6% 0.142 27) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #750309 | 11.84:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #750309 | 1.77:1 | Fails | Lc 8.9 | Not readable |
| #750309 text on white | 11.84:1 | AAA | Lc 95.0 | Preferred for body text |
| #750309 text on black | 1.77:1 | Fails | Lc -7.6 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DF
oklch(93.7% 0.03 27.8)
-
Step 200
200
#FECBC4
oklch(88.5% 0.059 27.4)
-
Step 300
300
#FEA69B
oklch(80.9% 0.106 27.4)
-
Step 400
400
#F96F64
oklch(70.7% 0.171 26.9)
-
Step 500
500
#F13B37
oklch(63.1% 0.218 27.1)
-
Step 600
600
#D90017
oklch(55.7% 0.227 27)
-
Step 700
700
#B70012
oklch(49% 0.2 27)
-
Step 800
800
#98000D
oklch(42.8% 0.174 27)
-
Step 900
900 (this color)
#750309
oklch(35.6% 0.142 27)
-
Step 950
950
#490D0B
oklch(26.9% 0.09 27.2)
#750309 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #2E2807 | 0.157 |
| Deuteranopia (no green cones) | #484002 | 0.142 |
| Tritanopia (no blue cones) | #820008 | 0.029 |
| Achromatopsia (no color) | #373737 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #750309
#750309
oklch(35.6% 0.142 27)
- #00454C
#00454C
oklch(35.7% 0.061 206.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #750309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blood #770001 ΔE 0.007
- Reddy Brown #6E1005 ΔE 0.018
- Maroon #800000 ΔE 0.025
- Wine Red #7B0323 ΔE 0.031
- Claret #680018 ΔE 0.036
- Bordeaux #7B002C ΔE 0.044
- Dark Red #8B0000 ΔE 0.050
- Chestnut #742802 ΔE 0.052
Use #750309 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.